docs: def delete(gandi, resource, background, force):
      """ Revoke the certificate.
  
      Resource can be a CN or an ID
      """
      ids = gandi.certificate.usable_ids(resource)
  
      if len(ids) > 1:
          gandi.echo('Will not delete, %s is not precise enough.' % resource)
          gandi.echo('  * cert : ' +
                     '\n  * cert : '.join([str(id_) for id_ in ids]))
          return
  
      if not force:
          proceed = click.confirm("Are you sure to delete the certificate %s?" %
                                  resource)
          if not proceed:
              return
  
      result = gandi.certificate.delete(ids[0], background)
      return result